mirror of
https://github.com/valinet/ExplorerPatcher.git
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Start10: Prevent menu closing delay when patching standalone (without ExplorerPatcher injecting explorer.exe
)
The Windows 10 Start menu has a delay when closing if one is injecting it without injecting `explorer.exe` as well. The reason for this is that animations are fixed, which in turn fixes this delay, using code run when ExplorerPatcher is injected in `explorer.exe`. It cannot be patched from the Start menu's host process itself (`StartMenuExperienceHost.exe`) because that doesn't load `twinui.pchsell.dll` where the actual patching happens. This commit works around this shortcoming by employing the old fix for this delay: hiding the Start menu when animations haven't been fixed (so when `explorer.exe` is not injected by ExplorerPatcher). We needed to detect when animations were successfully patched from `explorer.exe` in order to disable this workaround, thus this commit offers an example on how to create a kernel object, in this case a mutex, that can be 'seen' by a process running inside an app container, as is the case for Start menu's host process (`StartMenuExperienceHost.exe`).
This commit is contained in:
parent
c286ab5610
commit
45bd735856
@ -51,6 +51,8 @@ RTL_OSVERSIONINFOW global_rovi;
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DWORD32 global_ubr;
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#endif
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#include <featurestagingapi.h>
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#include <userenv.h>
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#pragma comment(lib, "Userenv.lib")
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#define WINX_ADJUST_X 5
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#define WINX_ADJUST_Y 5
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@ -234,6 +236,12 @@ HRESULT WINAPI _DllGetClassObject(
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LPVOID* ppv
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);
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// {09717D01-5D10-4FB5-BD05-46380B5165AA}
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#define CLSID_EPStart10_TEXT "{A6EA9C2D-4982-4827-9204-0AC532959F6D}"
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#define EPStart10_AnimationsPatched "EPStart10_AnimationsPatched_" CLSID_EPStart10_TEXT
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DEFINE_GUID(CLSID_EPStart10,
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0x9717d01, 0x5d10, 0x4fb5, 0xbd, 0x5, 0x46, 0x38, 0xb, 0x51, 0x65, 0xaa);
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#pragma region "Updates"
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#ifdef _WIN64
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DWORD CheckForUpdatesThread(LPVOID timeout)
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@ -12572,7 +12580,28 @@ DWORD Inject(BOOL bIsExplorer)
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GetCrashCounterSettings(&cfg);
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if (!cfg.bDisabled)
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{
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FixStartMenuAnimation(&miTwinuiPcshell);
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if (FixStartMenuAnimation(&miTwinuiPcshell)) {
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PSID pMainSid = NULL;
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GetLogonSid(&pMainSid);
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PSID pSecondaySid = NULL;
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DeriveAppContainerSidFromAppContainerName(L"Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy", &pSecondaySid);
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PSECURITY_DESCRIPTOR pSecurityDescriptor = NULL;
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if (PrepareSecurityDescriptor(pMainSid, STANDARD_RIGHTS_ALL | MUTEX_ALL_ACCESS, pSecondaySid, SYNCHRONIZE, &pSecurityDescriptor))
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{
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SECURITY_ATTRIBUTES SecurityAttributes;
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ZeroMemory(&SecurityAttributes, sizeof(SecurityAttributes));
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SecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);
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SecurityAttributes.bInheritHandle = FALSE;
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SecurityAttributes.lpSecurityDescriptor = pSecurityDescriptor;
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if (CreateMutexW(&SecurityAttributes, FALSE, _T(EPStart10_AnimationsPatched)))
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{
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printf("[SMA] Advertising successful animations patching.\n");
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}
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free(pSecurityDescriptor);
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}
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if (pMainSid) free(pMainSid);
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if (pSecondaySid) FreeSid(pSecondaySid);
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}
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}
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}
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#endif
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@ -13503,8 +13532,19 @@ int Start_SetWindowRgn(HWND hWnd, HRGN hRgn, BOOL bRedraw)
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HRESULT hr = IsThreadCoreWindowVisible(&bIsWindowVisible);
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if (SUCCEEDED(hr))
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{
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/*if (global_rovi.dwBuildNumber >= 25000 && dwStartShowClassicMode)
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ShowWindow(hWnd, bIsWindowVisible ? SW_SHOW : SW_HIDE);*/
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if (dwStartShowClassicMode && IsWindows11())
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{
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HANDLE hAnimationsPatched = OpenMutexW(SYNCHRONIZE, FALSE, _T(EPStart10_AnimationsPatched));
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if (hAnimationsPatched)
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{
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CloseHandle(hAnimationsPatched);
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if (!IsWindowVisible(hWnd)) ShowWindow(hWnd, SW_SHOW);
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}
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else
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{
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ShowWindow(hWnd, bIsWindowVisible ? SW_SHOW : SW_HIDE);
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}
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}
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DWORD TaskbarAl = InterlockedAdd(&dwTaskbarAl, 0);
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if (bIsWindowVisible && (!TaskbarAl ? (dwStartShowClassicMode ? StartUI_EnableRoundedCornersApply : StartDocked_DisableRecommendedSectionApply) : 1))
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{
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@ -1611,4 +1611,106 @@ PVOID FindPattern(PVOID pBase, SIZE_T dwSize, LPCSTR lpPattern, LPCSTR lpMask)
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dwSize -= strlen(lpMask);
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return FindPatternHelper(pBase, dwSize, lpPattern, lpMask);
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}
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// https://learn.microsoft.com/en-us/windows/uwp/communication/sharing-named-objects
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// https://learn.microsoft.com/en-us/windows/win32/api/securityappcontainer/nf-securityappcontainer-getappcontainernamedobjectpath#examples
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BOOL GetLogonSid(PSID* ppsid)
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{
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BOOL bSuccess = FALSE;
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HANDLE hToken = INVALID_HANDLE_VALUE;
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DWORD dwLength = 0;
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PTOKEN_GROUPS ptg = NULL;
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if (NULL == ppsid)
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goto Cleanup;
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if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
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goto Cleanup;
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if (!GetTokenInformation(hToken, TokenLogonSid, (LPVOID)ptg, 0, &dwLength))
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{
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if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
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goto Cleanup;
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ptg = (PTOKEN_GROUPS)calloc(1, dwLength);
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}
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if (ptg == NULL)
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goto Cleanup;
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if (!GetTokenInformation(hToken, TokenLogonSid, (LPVOID)ptg, dwLength, &dwLength) || ptg->GroupCount != 1)
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goto Cleanup;
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dwLength = GetLengthSid(ptg->Groups[0].Sid);
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*ppsid = (PSID)calloc(1, dwLength);
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if (*ppsid == NULL)
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goto Cleanup;
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if (!CopySid(dwLength, *ppsid, ptg->Groups[0].Sid))
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{
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free((LPVOID)*ppsid);
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goto Cleanup;
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}
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bSuccess = TRUE;
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Cleanup:
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if (ptg != NULL)
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free((LPVOID)ptg);
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return bSuccess;
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}
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// https://learn.microsoft.com/en-us/windows/uwp/communication/sharing-named-objects
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// https://learn.microsoft.com/en-us/windows/win32/api/securityappcontainer/nf-securityappcontainer-getappcontainernamedobjectpath#examples
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BOOL PrepareSecurityDescriptor(PSID pMainSid, DWORD dwMainPermissions, PSID pSecondarySid, DWORD dwSecondayPermissions, PSECURITY_DESCRIPTOR* ppSD)
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{
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BOOL bSuccess = FALSE;
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DWORD dwRes = ERROR_SUCCESS;
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PACL pACL = NULL;
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PSECURITY_DESCRIPTOR pSD = NULL;
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EXPLICIT_ACCESS ea[2];
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if (pMainSid == NULL || pSecondarySid == NULL)
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goto Cleanup;
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ZeroMemory(&ea, 2 * sizeof(EXPLICIT_ACCESS));
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ea[0].grfAccessPermissions = dwMainPermissions;
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ea[0].grfAccessMode = SET_ACCESS;
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ea[0].grfInheritance = NO_INHERITANCE;
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ea[0].Trustee.TrusteeForm = TRUSTEE_IS_SID;
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ea[0].Trustee.TrusteeType = TRUSTEE_IS_USER;
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ea[0].Trustee.ptstrName = (LPTSTR)pMainSid;
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ea[1].grfAccessPermissions = dwSecondayPermissions;
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ea[1].grfAccessMode = SET_ACCESS;
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ea[1].grfInheritance = NO_INHERITANCE;
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ea[1].Trustee.TrusteeForm = TRUSTEE_IS_SID;
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ea[1].Trustee.TrusteeType = TRUSTEE_IS_USER;
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ea[1].Trustee.ptstrName = (LPTSTR)pSecondarySid;
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dwRes = SetEntriesInAclW(2, ea, NULL, &pACL);
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if (dwRes != ERROR_SUCCESS)
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goto Cleanup;
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pSD = (PSECURITY_DESCRIPTOR)calloc(1, SECURITY_DESCRIPTOR_MIN_LENGTH);
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if (NULL == pSD)
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goto Cleanup;
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if (!InitializeSecurityDescriptor(pSD, SECURITY_DESCRIPTOR_REVISION))
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goto Cleanup;
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if (!SetSecurityDescriptorDacl(pSD, TRUE, pACL, FALSE))
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goto Cleanup;
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*ppSD = pSD;
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pSD = NULL;
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bSuccess = TRUE;
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Cleanup:
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if (pACL)
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LocalFree(pACL);
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if (pSD)
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free(pSD);
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return bSuccess;
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}
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#endif
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@ -267,6 +267,10 @@ WCHAR* StrReplaceAllW(const WCHAR* s, const WCHAR* oldW, const WCHAR* newW, int*
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HRESULT InputBox(BOOL bPassword, HWND hWnd, LPCWSTR wszPrompt, LPCWSTR wszTitle, LPCWSTR wszDefault, LPWSTR wszAnswer, DWORD cbAnswer, BOOL* bCancelled);
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BOOL GetLogonSid(PSID* ppsid);
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BOOL PrepareSecurityDescriptor(PSID pMainSid, DWORD dwMainPermissions, PSID pSecondarySid, DWORD dwSecondayPermissions, PSECURITY_DESCRIPTOR* ppSD);
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inline BOOL IsHighContrast()
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{
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HIGHCONTRASTW highContrast;
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